The Taxonomic rank ( from the largest to the smallest) goes something like this:
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
So, the largest from your given options is phylum.
Hope this answered your question
Answer: The cell is eukaryotic because it has chloroplasts. A scientist is studying a cell and can clearly see that it has ribosomes and mitochondria.
Explanation:
The central nervous system of the frog is different from that of humans; if the optic nerve of a frog is cut, the animal will be able to see again within weeks but the same damage in humans would cause permanent blindness :).
What is the choices for the blank?